113031222100 has 36 divisors (see below), whose sum is σ = 245323708000. Its totient is φ = 45204017760.

The previous prime is 113031222071. The next prime is 113031222119. The reversal of 113031222100 is 1222130311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444751 + ... + 651049.

Almost surely, 2^113031222100 is an apocalyptic number.

113031222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113031222100 is an abundant number, since it is smaller than the sum of its proper divisors (132292485900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113031222100 is a wasteful number, since it uses less digits than its factorization.

113031222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211792 (or 211785 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 113031222100 its reverse (1222130311), we get a palindrome (114253352411).

The spelling of 113031222100 in words is "one hundred thirteen billion, thirty-one million, two hundred twenty-two thousand, one hundred".